ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,146, issued on May 13, was assigned to True Concepts Medical Technologies LLC (Springboro, Ohio).
"Syringe systems and methods for multi-stage fluid delivery" was invented by Michael Hopkins (Springboro, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A syringe-based device includes a housing and an actuator mechanism including a first member and a second member. The first member includes a syringe body and a plunger, the plunger being movably disposed within the syringe body. The second member includes a second member plunger seal and a valve operably and selectively coupled to the second member plunger seal such that the valve is positioned pr...